org.neo4j.helpers.collection
Class Iterables

java.lang.Object
  org.neo4j.helpers.collection.Iterables

public final class Iterables
extends Object

TODO

Constructor Summary

Iterables()

Method Summary

static <T,C extends Collection<T>> C	addAll(C collection, Iterable<? extends T> iterable)
static <T,C extends T> Iterable<T>	append(C item, Iterable<T> iterable)
static <T> Iterable<T>	cache(Iterable<T> iterable)
static <FROM,TO> Function<FROM,TO>	cast()
static <T,C> Iterable<T>	cast(Iterable<C> iterable)
static <T> Iterable<T>	constant(T item)
static long	count(Iterable<?> iterable)
static <T> Iterable<T>	empty()
static <X> Iterable<X>	filter(Specification<? super X> specification, Iterable<X> i)
static <X> X	first(Iterable<? extends X> i)
static <X,I extends Iterable<? extends X>> Iterable<X>	flatten(I... multiIterator)
static <X,I extends Iterable<? extends X>> Iterable<X>	flattenIterables(Iterable<I> multiIterator)
static <FROM,TO> TO	fold(Function<? super FROM,TO> function, Iterable<? extends FROM> i)
static <T,C extends T> Iterable<T>	iterable(C... items)
static <T> Iterable<T>	iterable(Enumeration<T> enumeration)
static <X> X	last(Iterable<? extends X> i)
static <T> Function<Iterable<T>,Iterable<T>>	limit(int limitItems)
static <T> Iterable<T>	limit(int limitItems, Iterable<T> iterable)
static <FROM,TO> Iterable<TO>	map(Function<? super FROM,? extends TO> function, Iterable<FROM> from)
static <T> boolean	matchesAll(Specification<? super T> specification, Iterable<T> iterable)
static <T> boolean	matchesAny(Specification<? super T> specification, Iterable<T> iterable)
static <T> Iterable<T>	mix(Iterable<T>... iterables)
static <T,C extends T> Iterable<T>	prepend(C item, Iterable<T> iterable)
static <X> Iterable<X>	reverse(Iterable<X> iterable)
static <X> X	single(Iterable<? extends X> i)
static <X> Iterable<X>	skip(int skip, Iterable<X> iterable)
static <T> T[]	toArray(Class<T> componentType, Iterable<T> iterable)
static Object[]	toArray(Iterable<Object> iterable)
static <T> List<T>	toList(Iterable<T> iterable)
static <T> Iterable<T>	unique(Iterable<T> iterable)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Iterables

public Iterables()

Method Detail

empty

public static <T> Iterable<T> empty()

constant

public static <T> Iterable<T> constant(T item)

limit

public static <T> Iterable<T> limit(int limitItems,
                                    Iterable<T> iterable)

limit

public static <T> Function<Iterable<T>,Iterable<T>> limit(int limitItems)

unique

public static <T> Iterable<T> unique(Iterable<T> iterable)

addAll

public static <T,C extends Collection<T>> C addAll(C collection,
                                                   Iterable<? extends T> iterable)

count

public static long count(Iterable<?> iterable)

filter

public static <X> Iterable<X> filter(Specification<? super X> specification,
                                     Iterable<X> i)

first

public static <X> X first(Iterable<? extends X> i)

single

public static <X> X single(Iterable<? extends X> i)

skip

public static <X> Iterable<X> skip(int skip,
                                   Iterable<X> iterable)

last

public static <X> X last(Iterable<? extends X> i)

reverse

public static <X> Iterable<X> reverse(Iterable<X> iterable)

matchesAny

public static <T> boolean matchesAny(Specification<? super T> specification,
                                     Iterable<T> iterable)

matchesAll

public static <T> boolean matchesAll(Specification<? super T> specification,
                                     Iterable<T> iterable)

flatten

public static <X,I extends Iterable<? extends X>> Iterable<X> flatten(I... multiIterator)

flattenIterables

public static <X,I extends Iterable<? extends X>> Iterable<X> flattenIterables(Iterable<I> multiIterator)

mix

public static <T> Iterable<T> mix(Iterable<T>... iterables)

map

public static <FROM,TO> Iterable<TO> map(Function<? super FROM,? extends TO> function,
                                         Iterable<FROM> from)

iterable

public static <T> Iterable<T> iterable(Enumeration<T> enumeration)

iterable

public static <T,C extends T> Iterable<T> iterable(C... items)

cast

public static <T,C> Iterable<T> cast(Iterable<C> iterable)

cast

public static <FROM,TO> Function<FROM,TO> cast()

fold

public static <FROM,TO> TO fold(Function<? super FROM,TO> function,
                                Iterable<? extends FROM> i)

prepend

public static <T,C extends T> Iterable<T> prepend(C item,
                                                  Iterable<T> iterable)

append

public static <T,C extends T> Iterable<T> append(C item,
                                                 Iterable<T> iterable)

cache

public static <T> Iterable<T> cache(Iterable<T> iterable)

toList

public static <T> List<T> toList(Iterable<T> iterable)

toArray

public static Object[] toArray(Iterable<Object> iterable)

toArray

public static <T> T[] toArray(Class<T> componentType,
                              Iterable<T> iterable)